Faithful readers will have seen my data-based analysis of the US mandates for biofuels under the Renewable Fuel Standard (RFS) and the U.S. Environmental Protection Agency’s (EPA) big choices on how to administer the program looking ahead. These choices highlight how the “food versus fuel” debate extends far beyond corn. The bottom line is that if the agency expands the RFS advanced mandate to make up for the slow commercialization of non-food “cellulosic” fuels, it will undermine the environmental and fuel security goals of the fuel standard, and contribute to food supply problems worldwide. Read More